Lightly Coat The Bottom Of A Nonstick Skillet Or Wok With Oil. Over Medium Heat, Cook And Stir The Chicken Strips Until Lightly Brown. Add Carrots And Onion, And Cook For 3 Minutes. Add Mushrooms, Zucchini, And Squash. Cook Until Squash Begins To Soften. Add Pecans, And Sprinkle Season With Pepper. Toss In Pan For 2 To 3 Minutes And Serve.